Feature:1. Stainless Steel: The hammock chair hanging kit is made of high quality stainless steel, which is strong and durable, anti rust and anti corrosion, and of high hardness.2. 551LB Load Capacity: With 250kg/551lb high load capacity, the hanging kit allows your hammock, sandbag and swing chair to hang stably from the ceiling.3. Firm Connection: The welding is complete, the connection is firm, and the hammock hanging kit is not easy to break, loose and overflow. The surface is smooth without burrs.4. Spring Hook: The spring can reduce the abrasion caused by impact and bumps and increase the service life of the installed parts.5. Wide Range of Application: If you want to hang a hammock in the bedroom, swing in the yard, or hang sandbags in the gym, this high load suspension device is ready to use.Specification:Item Type: Swing Ceiling Mount SetProduct Style: Square Door Buckle M8 + Spring Steel M7 + 5x40mm Self Tapping Screws + Rubber SleeveMaterial: Stainless SteelProduct Color: As Pictures ShownProduct Weight: Approx. 276g / 9.7ozProduct Load Capacity: 250kg / 551LBScope of Application: Suitable for Yoga training, hammock, hanging chair, etc..Package List:1 x Square Door Buckle4 x Screw4 x Rubber Sleeve1 x Spring